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 COCKROACHES: KEY TO EGG CASES OF COMMON DOMESTIC SPECIES
Harold George Scott, Ph.D. and Margery R. Borom
more than " long
less than " long
subsegments inapparent
subsegments apparent
with about 16 subsegments
with about 8 subsegments
length less than twice width
length more than twice width
Supella supellectilium
Blatella germanica
GERMAN COCKROACH
BROWN-BANDED COCKROACH
without lateral indentations
with lateral indentations
terminal point weak
terminal point strong
Periplaneta fuliginosa
Periplaneta brunnea
SMOKY-BROWN COCKROACH
BROWN COCKROACH
symmetrical
not symmetrical
Blatta orientalis
ORIENTAL COCKROACH
length less than twice width
length more than twice width
U.S. DEPARTMENT OF
HEALTH, EDUCATION, AND WELFARE
PUBLIC
HEALTH
SERVICE
Periplaneta americana
Periplaneta australasiae
AMERICAN COCKROACH
AUSTRALIAN COCKROACH
Module One, Chapter 2, Pg 12
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